body,
html {
    margin: 0;
    padding: 0;
    background-color: #eee;
    height: 100%;
}

ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

* {
    text-decoration: none;
}
.blog,
.header-box {
    height: 100%;
}

.blog-bg {
    height: 180px;
    background-image: url('https://static.acgxt.com/images/banner.png');
    background-repeat: no-repeat;
    background-size: 100% 100%;
    position: relative;

}

.nav {
    width: 100%;
    height: 50px;
    background-position: bottom;
    background-repeat: no-repeat;
    position: absolute;
    bottom: 0;
    opacity: .7;
    background-color: hsla(0, 0%, 92.5%, .3);
}

.nav .top {
    width: 75%;
    position: relative;
    margin: 0 auto;
    height: 50px;
    line-height: 50px;
}

.nav .top ul li {
    float: left;
}

.nav .top ul li a {
    color: #fff;
    display: block;
    padding: 0 20px;
    font-size: 14px;
    transition: .3s ease-in, .2s ease-out;
}

.nav .top ul li a:hover {
    text-shadow: 0 0 5px #ccc;
    background-color: hsla(0, 0%, 100%, .1);
}

.header {
    width: 75%;
    margin: 0 auto;
}

.header .h-l {
    padding: 20px 0 0;
    display: flex;

}

.header .h-l h1 {
    flex: 1;
}

.header .h-two {
    flex: 0 0 230px;

}

.header .h-two .h-y {
    background-color: hsla(0, 0%, 100%, .7);
    margin-top: 30px;
    padding: 2px 10px;
    border-radius: 5px;
    width: 100%;
    transition: .5s ease-in, .3s ease-out;
    display: flex;
}

.header .h-two input {
    flex: 1;
    height: 30px;
    background-color: transparent;
    font-size: 12px;
    line-height: 30px;
    border: 0;
    outline: none;
}


.header-box .blog  .container{
    width: 75%;
    height: 500px;
    /* background-color: red; */
    margin: 20px auto;
    min-height: auto;
}

.header-box .blog  .container .contation-x{
    flex: 1;
}

.header-box .blog  .container .contation-x .article{
    display: flex;
    margin: 0 auto;
    justify-content: left;
    align-items: center;
    flex-wrap: wrap;
}



.header-box .blog  .container .contation-x .article .item {
    flex: 0 0 50%;

}

.header-box .blog  .container .contation-x .article .item .item_warp {
    background-color: #fff;
    margin-bottom: 20px;
    width: 94%;
    border-radius: 5px;
    height: auto;
    transition: .3s ease;
}

.header-box .blog  .container .contation-x .article .item .item_warp:hover{
    transform: scale(1.03);
}

.header-box .blog  .container .contation-x .article .item .item_warp:hover .item-l a div p{
    opacity: 1;
}

.header-box .blog  .container .contation-x .article .item .item_warp:hover .item-l a div h2{
    margin-top: 40px;
}

.header-box .blog  .container .contation-x .article .item .item_warp .item-l {
    background-image: url('https://static.acgxt.com/blog/article_preview/17.jpg');
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
    height: 180px;
    transition: transform .2s ease;
    background-size: cover;
    background-position: 50%;
    position: relative;
}

.header-box .blog  .container .contation-x .article .item .item_warp .item-l a {
    display: block;
}
.header-box .blog  .container .contation-x .article .item .item_warp .item-l a div {
    background-color: rgba(0,0,0,.3);
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    opacity: .9;
}

.header-box .blog  .container .contation-x .article .item .item_warp .item-l a div h2 {
    width: 90%;
    color: #fff;
    margin: 75px auto 0;
    transition: .3s ease-in,.2s ease-out;
    font-size: 20px;
    text-shadow: 0 0 6px rgb(0 0 0 / 60%);
    text-align: center;
}

.header-box .blog  .container .contation-x .article .item .item_warp .item-l a div p{
    font-size: 12px;
    color: #fff;
    width: 80%;
    margin: 15px auto 0;
    transition: opacity .9s ease-in,opacity .3s ease-out;
    opacity: 0;
}

.header-box .blog  .container .contation-x .article .item .item_warp .itel-y{
    height: 40px;
    line-height: 40px;
    overflow: hidden;
}